Seiko Cal. 5645 - 997

This Spring Drive model from 1988 features a 37mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-2da46a86d2bd]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1988

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