Seiko Cal. 5257 - 951

The 5257-951 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5257 caliber with 35j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-a4798ca59ebc]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1967

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