Seiko Cal. 6157 - 924

The Seiko 6157-924 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-44a88c087119]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1978

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