Seiko Cal. 4442 - 843

The Seiko 4442-843 represents an important milestone in Seiko's 1966 lineup. Powered by the 4442 caliber with 32j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-931733b6598a]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1966

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