Seiko Cal. 4477 - 337

The Seiko 4477-337 represents an important milestone in Seiko's 1991 lineup. Powered by the 4477 caliber with 36j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-e55a34abeb82]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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