Seiko Cal. 6194 - 721

The 6194-721 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6194 caliber with 31j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-615643209322]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1968

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