Seiko Cal. 5257 - 829

The 5257-829 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5257 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-fda92fad19fa]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1981

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