Seiko Cal. 5274 - 461

This Spring Drive model from 1970 features a 40mm Titanium case. Powered by the 5274 caliber with 21j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-75e3dd37a786]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1970

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