Seiko Cal. 6337 - 399

The Seiko 6337-399 represents an important milestone in Seiko's 1968 lineup. Powered by the 6337 caliber with 30j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-8f8290209e81]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

Related Models

• Seiko 4445-136
• Seiko 6675-125
• Seiko 7187-516
• Seiko 6350-406
• Seiko 5611-832
• Seiko 3886-217
• Seiko 6686-395
• Seiko 3832-531
• Seiko 6182-334
• Seiko 0760-891
• Seiko 5242-463
• Seiko 3813-682