Seiko Cal. 4445 - 557

The Seiko 4445-557 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2c83ddcdac32]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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