Seiko Cal. 6333 - 781

The 6333-781 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6333 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-d0c6bfe8141c]

Also known as: Tuna, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1968

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