Seiko Cal. 5688 - 954

The Seiko 5688-954 represents an important milestone in Seiko's 1979 lineup. Powered by the 5688 caliber with 26j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-b1e031e07cfb]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1979

Related Models

• Seiko 4522-880
• Seiko 4461-695
• Seiko 7159-923
• Seiko 6627-147
• Seiko 6652-898
• Seiko 5249-278
• Seiko 6322-607
• Seiko 4598-681
• Seiko 4538-549
• Seiko 7168-971
• Seiko 6384-632
• Seiko 7069-820