Seiko Cal. 4564 - 173

The Seiko 4564-173 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c57730082871]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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