Seiko Cal. 4477 - 155

The 4477-155 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4477 caliber with 24j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-5cf2dca61638]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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