Seiko Cal. 0730 - 631

Seiko 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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