Seiko Cal. 0743 - 991

Seiko 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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