Seiko Cal. 6337 - 631

The Seiko 6337-631 represents an important milestone in Seiko's 1995 lineup. It features a Green dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-a46e0d82ba87]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1995

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