Seiko Cal. 3865 - 986

This Quartz model from 1990 features a 37mm PVD Black case. Powered by the 3865 caliber with 33j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-18b9b1709b53]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1990

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