Seiko Cal. 6645 - 761

This Automatic model from 1990 features a 37mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-201d032888e3]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1990

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