Seiko Cal. 4441 - 280

This Quartz model from 1965 features a 45mm Titanium case. Powered by the 4441 caliber with 27j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-f8bcec5001d9]

Also known as: Sumo, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1965

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