Seiko Cal. 3861 - 865

The Seiko 3861-865 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-bdfd477101bd]

Also known as: Bellmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1974

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