Seiko Cal. 5257 - 823

The 5257-823 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5257 caliber with 25j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-2254ab6269ba]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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