Seiko Cal. 5257 - 704

The 5257-704 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5257 caliber with 18j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-0b48b83040f0]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1989

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