Seiko Cal. 6131 - 628

The Seiko 6131-628 represents an important milestone in Seiko's 1982 lineup. Powered by the 6131 caliber with 24j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-24430597dc7b]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1982

Related Models

• Seiko 6264-708
• Seiko 7199-543
• Seiko 0710-914
• Seiko 4438-395
• Seiko 6136-895
• Seiko 5636-346
• Seiko 7142-805
• Seiko 5659-216
• Seiko 3821-116
• Seiko 4458-166
• Seiko 7114-458
• Seiko 6240-114