Seiko Cal. 6231 - 728

This Automatic model from 1981 features a 46mm Stainless Steel case. Powered by the 6231 caliber with 33j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-13536897b406]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

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