Seiko Cal. 7077 - 877

The 7077-877 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7077 caliber with 20j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-bd0b3920e549]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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