Seiko Cal. 5274 - 587

This Spring Drive model from 1968 features a 43mm Titanium case. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-cd1866a3aec3]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1968

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