Seiko Cal. 6678 - 953

Seiko 6678-953

The Seiko 6678-953 represents an important milestone in Seiko's 1975 lineup. Powered by the 6678 caliber with 29j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-860d7d73aa8b]

Also known as: Sumo, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1975

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