Seiko Cal. 4477 - 557

The 4477-557 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4477 caliber with 32j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-8130e779c7b9]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1990

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