Seiko Cal. 3865 - 654

The Seiko 3865-654 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-741c92686a14]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1970

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