Seiko Cal. 7139 - 386

The 7139-386 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7139 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ea512d9a23bf]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1992

Related Models

• Seiko 6312-845
• Seiko 5247-235
• Seiko 5275-737
• Seiko 7168-690
• Seiko 5264-270
• Seiko 6384-153
• Seiko 7075-189
• Seiko 5247-926
• Seiko 3810-463
• Seiko 6671-629
• Seiko 6268-598
• Seiko 6633-550