Seiko Cal. 6278 - 612

The 6278-612 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6278 caliber with 33j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-b90eb2fd6399]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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