Seiko Cal. 6133 - 648

This Spring Drive model from 1983 features a 43mm Titanium case. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-6b1c2ed4817b]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1983

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