Seiko Cal. 0728 - 691

This Automatic model from 1965 features a 41mm PVD Black case. Powered by the 0728 caliber with 34j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c5b00e426442]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1965

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