Seiko Cal. 0730 - 631

This Automatic model from 1998 features a 37mm Hardlex-Coated Steel case. Powered by the 0730 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e12a3daa36e6]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1998

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