Seiko Cal. 6637 - 977

This Quartz model from 1998 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-d6d0ae04366d]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1998

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