Seiko Cal. 6174 - 657

The Seiko 6174-657 represents an important milestone in Seiko's 1974 lineup. Powered by the 6174 caliber with 18j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-86726062c1f6]

Also known as: Bullhead, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1974

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