Seiko Cal. 6178 - 274

Seiko 6178-274

The Seiko 6178-274 represents an important milestone in Seiko's 1972 lineup. Powered by the 6178 caliber with 29j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-f0f343f862ec]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1972

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