Seiko Cal. 4570 - 173

The Seiko 4570-173 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7439c2b862d7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1967

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