Seiko Cal. 6637 - 746

This Automatic model from 1981 features a 42mm Two-Tone case. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-32f28b2b620e]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1981

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