Seiko Cal. 6257 - 974

The Seiko 6257-974 represents an important milestone in Seiko's 1977 lineup. Powered by the 6257 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-e6ff85e1dca9]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1977

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