Seiko Cal. 6637 - 130

The 6637-130 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d16099be5ce3]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1973

Related Models

• Seiko 0796-995
• Seiko 0739-468
• Seiko 4419-865
• Seiko 5285-534
• Seiko 3827-585
• Seiko 5247-686
• Seiko 7138-686
• Seiko 6185-552
• Seiko 4471-626
• Seiko 4537-997
• Seiko 0711-368
• Seiko 7164-796