Seiko Cal. 7128 - 776

The 7128-776 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7128 caliber with 28j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-1ef89ca9e66b]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1979

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