Seiko Cal. 5277 - 443

This Automatic model from 1967 features a 34mm Titanium case. Powered by the 5277 caliber with 31j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-abf50ea89831]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1967

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