Seiko Cal. 4523 - 271

The 4523-271 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4523 caliber with 24j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-e07b8f415bd5]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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