Seiko Cal. 3861 - 640

The Seiko 3861-640 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-fa7d15a91349]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

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