Seiko Cal. 5278 - 326

The 5278-326 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5278 caliber with 24j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-e5226c86a302]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1972

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