Seiko Cal. 6645 - 187

This Spring Drive model from 1976 features a 46mm Stainless Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-12e6b004a6ec]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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