Seiko Cal. 6255 - 823

This Spring Drive model from 1977 features a 40mm PVD Black case. Powered by the 6255 caliber with 35j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-225d0dcf96bf]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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