Seiko Cal. 6337 - 730

Released in 1987, the Cal. 6337 with design code 730 was part of Seiko's domestic market collection. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ac6dc11c70bd]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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