Seiko Cal. 3827 - 558

This Hand-Winding model from 1981 features a 40mm Titanium case. Powered by the 3827 caliber with 34j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-31f22ac662bb]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1981

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