Seiko Cal. 7178 - 561

Seiko 7178-561

This Hand-Winding model from 1992 features a 37mm Stainless Steel case. Powered by the 7178 caliber with 24j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-18e786b7dbdc]

Also known as: Tuna, Flighty

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Navy
Jewels
24j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1992

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seikata-wm-18e786b7dbdc