Seiko Cal. 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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