Seiko Cal. 6230 - 728

This Spring Drive model from 1969 features a 40mm PVD Black case. Powered by the 6230 caliber with 17j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-1bc4d08624d1]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1969

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