Seiko Cal. 0721 - 331

This Automatic model from 1987 features a 42mm Titanium case. Powered by the 0721 caliber with 34j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-3238a0875a6f]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1987

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