Seiko Cal. 3866 - 925

This Solar model from 1991 features a 39mm Two-Tone case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7ccfec1c6bc4]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1991

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