Seiko Cal. 6157 - 520

The 6157-520 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6157 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-2e582d16f54e]

Also known as: Turtle, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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