Seiko Cal. 4549 - 501

The Seiko 4549-501 represents an important milestone in Seiko's 1981 lineup. Powered by the 4549 caliber with 26j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-db5b628f7cbc]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1981

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