Seiko Cal. 6686 - 725

This Solar model from 1967 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-54e31698eb78]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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