Seiko Cal. 6645 - 371

This Hand-Winding model from 1989 features a 45mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-ed2f580ba73e]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1989

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