Seiko Cal. 5683 - 331

The Seiko 5683-331 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-33fc55f9376b]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1968

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