Seiko Cal. 7145 - 270

This Spring Drive model from 1976 features a 37mm Stainless Steel case. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-faebb8e5c751]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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