Seiko Cal. 3865 - 686

This Spring Drive model from 1986 features a 44mm Hardlex-Coated Steel case. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-77ac0cd40d37]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1986

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