Seiko Cal. 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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