Seiko Cal. 5634 - 688

This Hand-Winding model from 1996 features a 42mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-23b4dd14b214]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1996

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