Seiko Cal. 7139 - 657

The Seiko 7139-657 represents an important milestone in Seiko's 1965 lineup. Powered by the 7139 caliber with 27j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-612d7e44b80c]

Also known as: Rally, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1965

Related Models

• Seiko 6114-119
• Seiko 7150-409
• Seiko 3826-256
• Seiko 5637-140
• Seiko 3816-182
• Seiko 3893-664
• Seiko 7095-591
• Seiko 6113-224
• Seiko 5211-235
• Seiko 4520-549
• Seiko 6658-505
• Seiko 6174-882