Seiko Cal. 3865 - 578

This Automatic model from 1987 features a 45mm Two-Tone case. Powered by the 3865 caliber with 27j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-3ace99ef951f]

Also known as: Rally, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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