Seiko Cal. 7166 - 788

The 7166-788 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7166 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-4751cbf4acb2]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1980

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