Seiko Cal. 3861 - 630

Released in 1974, the Cal. 3861 with design code 630 was part of Seiko's domestic market collection. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b6ec40cf1a40]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1974

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