Seiko Cal. 6263 - 137

The Seiko 6263-137 represents an important milestone in Seiko's 1985 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-26b1f2c67a37]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1985

Related Models

• Seiko 4414-862
• Seiko 5684-586
• Seiko 6259-532
• Seiko 6195-625
• Seiko 0780-356
• Seiko 7194-221
• Seiko 4565-492
• Seiko 4484-808
• Seiko 6125-103
• Seiko 5259-575
• Seiko 6129-835
• Seiko 4420-338