Seiko Cal. 7139 - 461

This Hand-Winding model from 1979 features a 36mm PVD Black case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4435a17a3387]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1979

Related Models

• Seiko 6633-257
• Seiko 7015-754
• Seiko 6355-935
• Seiko 4585-598
• Seiko 7086-370
• Seiko 0727-448
• Seiko 6289-923
• Seiko 6328-778
• Seiko 6618-902
• Seiko 6190-617
• Seiko 7022-756
• Seiko 6187-543