Seiko Cal. 7178 - 521

Seiko 7178-521

This Solar model from 1985 features a 36mm Stainless Steel case. Powered by the 7178 caliber with 29j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-b90c8b26ac84]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1985

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