Jump Hour Automatic Watch – Specht & Söhne ST1721 Sapphire 39MM

A distinctive mechanical timepiece powered by the Specht & Söhne signature design and equipped with the reliable Tianjin Seagull Watch Group ST1721 jump hour movement. A bold and elegant choice for collectors who appreciate unconventional time display.

Key Features

Jump Hour Display
Unique mechanical jump hour complication for a striking and refined dial presentation.

Important Setting Instruction
⚠ Please set the time clockwise only.
Do NOT turn anticlockwise, as it may damage the movement.

Movement
Seagull ST1721 Automatic Mechanical Jump Hour Movement
(Self-winding mechanical movement)

Case Material
316L Stainless Steel Case
Screw-down Crown
Solid Steel Closed Caseback

Crystal
AR Coated Sapphire Crystal – Scratch resistant and clear visibility

Strap
Comfortable Genuine Leather Strap
Pin Buckle Clasp

Size & Dimensions

Case Diameter: 39MM
Case Thickness: 10.4MM
Lug to Lug: 46.8MM
Band Width: 20MM tapering to 18MM

Water Resistance

50M (5ATM) Water Resistant
Suitable for daily wear and light splashes (not for swimming or diving).

Color Options

Available in three color selections.

Type

Men’s Jump Hour Sports Watch

Perfect Gift Choice

A stylish and mechanical statement piece — an excellent gift for someone special who appreciates classic craftsmanship with a modern twist.