Seiko Cal. 7178 - 936

Seiko 7178-936

The Seiko 7178-936 represents an important milestone in Seiko's 1971 lineup. Powered by the 7178 caliber with 30j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-508176738044]

Also known as: Tuna, Flighty

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1971

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seikata-wm-508176738044