Seiko Cal. 7090 - 777

Seiko 7090-777

The 7090-777 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7090 caliber with 36j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-234f9da51e0b]

Also known as: Shogun, Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1988

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