Seiko Cal. 3865 - 509

The Seiko 3865-509 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-17026f8615a1]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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