Seiko Cal. 3866 - 682

This Automatic model from 1987 features a 44mm Two-Tone case. Powered by the 3866 caliber with 34j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-c3d24ebad5c5]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1987

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