Seiko Cal. 6331 - 370

The Seiko 6331-370 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-15f27d8cb770]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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