Seiko Cal. 6136 - 902

Released in 1965, the Cal. 6136 with design code 902 was part of Seiko's domestic market collection. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3e72b9cbf6ce]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1965

Related Models

• Seiko 4430-851
• Seiko 7134-417
• Seiko 7055-469
• Seiko 0779-194
• Seiko 5657-700
• Seiko 4476-547
• Seiko 6219-667
• Seiko 4550-324
• Seiko 4459-209
• Seiko 0797-805
• Seiko 5621-344
• Seiko 5290-230