Seiko Cal. 4447 - 804

The Seiko 4447-804 represents an important milestone in Seiko's 1977 lineup. Powered by the 4447 caliber with 33j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-7b810c4d208f]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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