Seiko Cal. 3840 - 681

This Automatic model from 1978 features a 37mm Gold-Plated case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-82ac7dee30f2]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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