Seiko Cal. 0728 - 708

This Automatic model from 1991 features a 40mm Hardlex-Coated Steel case. Powered by the 0728 caliber with 25j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-86a843c5084b]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1991

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