Seiko Cal. 0774 - 390

The 0774-390 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0774 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-2530dd64081c]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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