Seiko Cal. 7143 - 975

Seiko 7143-975

The Seiko 7143-975 represents an important milestone in Seiko's 1970 lineup. Powered by the 7143 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-1c94a7b1a1b6]

Also known as: Sumo, Shogun

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
30j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1970

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