Seiko Cal. 6637 - 706

This Quartz model from 1996 features a 37mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-3897e9b46dca]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1996

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