Seiko Cal. 6333 - 337

The Seiko 6333-337 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-552ff9f8ef87]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1978

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