Seiko Cal. 4565 - 557

The Seiko 4565-557 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-802f7ed825f6]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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