Seiko Cal. 6333 - 923

The Seiko 6333-923 represents an important milestone in Seiko's 1977 lineup. Powered by the 6333 caliber with 17j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-47b0898e37ea]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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