Seiko Cal. 7139 - 678

Released in 1973, the Cal. 7139 with design code 678 was part of Seiko's domestic market collection. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-e884bb879ee1]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1973

Related Models

• Seiko 5253-690
• Seiko 7156-644
• Seiko 7171-105
• Seiko 4431-116
• Seiko 6682-486
• Seiko 0779-746
• Seiko 6156-922
• Seiko 6634-335
• Seiko 4590-218
• Seiko 3826-756
• Seiko 5643-960
• Seiko 6688-624