Seiko Cal. 7188 - 706

The Seiko 7188-706 represents an important milestone in Seiko's 1977 lineup. Powered by the 7188 caliber with 29j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-5beebb547a85]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

Related Models

• Seiko 6299-546
• Seiko 6365-360
• Seiko 4588-157
• Seiko 7077-631
• Seiko 4581-394
• Seiko 5630-506
• Seiko 4429-505
• Seiko 6228-595
• Seiko 7087-394
• Seiko 7073-902
• Seiko 6130-425
• Seiko 5641-742