Seiko Cal. 7129 - 186

This Hand-Winding model from 1975 features a 34mm Hardlex-Coated Steel case. Powered by the 7129 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-611c2c9a4ae1]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

Related Models

• Seiko 6388-683
• Seiko 4577-125
• Seiko 6275-274
• Seiko 6695-988
• Seiko 6296-815
• Seiko 7166-507
• Seiko 3811-906
• Seiko 6362-273
• Seiko 4594-328
• Seiko 4416-382
• Seiko 3873-831
• Seiko 4472-963