Seiko Cal. 7187 - 668

This Quartz model from 1971 features a 42mm Titanium case. Powered by the 7187 caliber with 22j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-fd5733db708d]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

Related Models

• Seiko 6218-431
• Seiko 6635-357
• Seiko 7189-167
• Seiko 0724-592
• Seiko 3882-498
• Seiko 0771-262
• Seiko 3874-169
• Seiko 6114-793
• Seiko 5240-533
• Seiko 4560-172
• Seiko 4444-890
• Seiko 5616-372