Seiko Cal. 5690 - 713

This Quartz model from 1988 features a 35mm Hardlex-Coated Steel case. Powered by the 5690 caliber with 34j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-ddfe8d82e266]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1988

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