Seiko Cal. 6337 - 729

Released in 1967, the Cal. 6337 with design code 729 was part of Seiko's domestic market collection. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ad5fdaf7b22d]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1967

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