Seiko Cal. 7027 - 390

The 7027-390 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7027 caliber with 18j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-2218617b9dfa]

Also known as: Navigator, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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