Seiko Cal. 4441 - 804

The Seiko 4441-804 represents an important milestone in Seiko's 1981 lineup. Powered by the 4441 caliber with 31j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-ea1fd5beebb6]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1981

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