Seiko Cal. 3898 - 790

This Automatic model from 1986 features a 40mm Titanium case. Powered by the 3898 caliber with 30j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-9a0b13533bac]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1986

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