Seiko Cal. 5639 - 402

This Hand-Winding model from 1998 features a 40mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-a81c683a8978]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1998

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