Seiko Cal. 0737 - 174

This Spring Drive model from 1970 features a 41mm PVD Black case. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-9bad410a526a]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1970

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