Seiko Cal. 0749 - 178

Seiko 0749-178

The 0749-178 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0749 caliber with 30j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-2d6f71febe9e]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
30j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1982

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