Seiko Cal. 0743 - 991

The Seiko 0743-991 represents an important milestone in Seiko's 1966 lineup. Powered by the 0743 caliber with 31j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-3e134a09eeeb]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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