Seiko Cal. 6691 - 933

This Quartz model from 1981 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-553ba5c6a0c4]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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