Seiko Cal. 0720 - 263

The 0720-263 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0720 caliber with 29j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f63854aee1f6]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1984

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