Seiko Cal. 4544 - 577

The Seiko 4544-577 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-096a921b918f]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1967

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