Seiko Cal. 3865 - 550

This Spring Drive model from 1989 features a 39mm Hardlex-Coated Steel case. Powered by the 3865 caliber with 31j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-375ae20e8eb0]

Also known as: Pogue, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1989

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