Seiko Cal. 0760 - 821

The 0760-821 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0760 caliber with 36j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-df56f781fd9a]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

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