Seiko Cal. 5277 - 974

The 5277-974 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5277 caliber with 20j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-f17ae2a12496]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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