Seiko Cal. 4551 - 165

This Spring Drive model from 1982 features a 38mm Titanium case. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-52f263c87a4d]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1982

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