Seiko Cal. 5684 - 263

Released in 1972, the Cal. 5684 with design code 263 was part of Seiko's domestic market collection. Powered by the 5684 caliber with 31j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-ab511edea79e]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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