Seiko Cal. 6178 - 313

Seiko 6178-313

The Seiko 6178-313 represents an important milestone in Seiko's 1979 lineup. Powered by the 6178 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-61aa199d9abe]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Navy
Jewels
24j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1979

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seikata-wm-61aa199d9abe