Seiko Cal. 6137 - 121

The 6137-121 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5a6298801d21]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

Related Models

• Seiko 6352-919
• Seiko 5633-834
• Seiko 7051-725
• Seiko 4532-308
• Seiko 6685-313
• Seiko 6267-731
• Seiko 6647-988
• Seiko 0724-110
• Seiko 6636-631
• Seiko 6217-262
• Seiko 6259-100
• Seiko 3885-424