Seiko Cal. 0743 - 340

Seiko 0743-340

This Automatic model from 1979 features a 40mm PVD Black case. Powered by the 0743 caliber with 24j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-20f43f820c1e]

Also known as: Sumo, Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1979

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