Seiko Cal. 7131 - 123

The 7131-123 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7131 caliber with 35j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-90db6817029f]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1986

Related Models

• Seiko 0747-892
• Seiko 0786-337
• Seiko 4432-874
• Seiko 4564-217
• Seiko 6145-781
• Seiko 6331-178
• Seiko 7020-360
• Seiko 7066-983
• Seiko 0773-227
• Seiko 4469-805
• Seiko 6256-276
• Seiko 4488-250