Seiko Cal. 6337 - 638

Released in 1996, the Cal. 6337 with design code 638 was part of Seiko's domestic market collection. Powered by the 6337 caliber with 19j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-2f5af333fecd]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1996

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