Seiko Cal. 4477 - 791

The 4477-791 is a sought-after Solar piece from Seiko's golden era. Powered by the 4477 caliber with 33j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-70ada1b27522]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1968

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