Seiko Cal. 3865 - 522

The Seiko 3865-522 represents an important milestone in Seiko's 1978 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-3793dbc43ad2]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1978

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