Seiko Cal. 0728 - 998

Seiko 0728-998

This Hand-Winding model from 1976 features a 37mm Hardlex-Coated Steel case. Powered by the 0728 caliber with 17j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-00d6d455fc6a]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1976

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