Seiko Cal. 6337 - 100

The Seiko 6337-100 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9bfa66a7b428]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

Related Models

• Seiko 7110-714
• Seiko 0756-351
• Seiko 6237-918
• Seiko 6122-557
• Seiko 4523-981
• Seiko 6297-435
• Seiko 6355-994
• Seiko 6314-754
• Seiko 6630-964
• Seiko 7053-436
• Seiko 4589-539
• Seiko 6635-917