Seiko Cal. 6337 - 686

This Spring Drive model from 1976 features a 40mm Two-Tone case. Powered by the 6337 caliber with 23j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-09acc2526dd3]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

Related Models

• Seiko 4564-789
• Seiko 0796-539
• Seiko 0747-860
• Seiko 7135-795
• Seiko 6268-594
• Seiko 5669-177
• Seiko 4484-538
• Seiko 5683-270
• Seiko 4544-860
• Seiko 7141-757
• Seiko 6160-862
• Seiko 6246-614