Seiko Cal. 6681 - 837

This Solar model from 1967 features a 40mm Hardlex-Coated Steel case. Powered by the 6681 caliber with 35j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-6796c8bed4a6]

Also known as: Turtle, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1967

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