Seiko Cal. 3861 - 775

The Seiko 3861-775 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-5f0cc5acddae]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1966

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