Seiko Cal. 6689 - 331

This Solar model from 1980 features a 38mm Hardlex-Coated Steel case. Powered by the 6689 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-689acf79e3a0]

Also known as: Turtle, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1980

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