Seiko Cal. 5226 - 678

Released in 1978, the Cal. 5226 with design code 678 was part of Seiko's domestic market collection. Powered by the 5226 caliber with 17j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-c73561bb06f3]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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