Seiko Cal. 7139 - 512

The Seiko 7139-512 represents an important milestone in Seiko's 1990 lineup. Powered by the 7139 caliber with 27j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-eb5504978ba7]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1990

Related Models

• Seiko 6371-394
• Seiko 6670-382
• Seiko 7195-492
• Seiko 5683-709
• Seiko 4466-324
• Seiko 6193-771
• Seiko 7138-564
• Seiko 4554-186
• Seiko 6213-739
• Seiko 7164-994
• Seiko 0748-729
• Seiko 6110-415