Seiko Cal. 6685 - 363

This Spring Drive model from 1978 features a 39mm Titanium case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e1a09f115d22]

Also known as: Shogun, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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