Seiko Cal. 6257 - 234

The Seiko 6257-234 represents an important milestone in Seiko's 1977 lineup. Powered by the 6257 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1b6e70ec5e2e]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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