Seiko Cal. 6333 - 621

The Seiko 6333-621 represents an important milestone in Seiko's 1966 lineup. Powered by the 6333 caliber with 27j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-f966137bf0b2]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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