Seiko Cal. 0740 - 278

The 0740-278 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0740 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-81dbc6786912]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1982

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