Seiko Cal. 7027 - 780

The 7027-780 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7027 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-de41faecc455]

Also known as: Navigator, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1996

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