Seiko Cal. 5688 - 368

The Seiko 5688-368 represents an important milestone in Seiko's 1991 lineup. Powered by the 5688 caliber with 17j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-f621810bcd92]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1991

Related Models

• Seiko 3812-676
• Seiko 4598-588
• Seiko 3835-819
• Seiko 6615-431
• Seiko 4415-772
• Seiko 5632-642
• Seiko 4533-933
• Seiko 3851-871
• Seiko 3825-934
• Seiko 0716-668
• Seiko 7040-592
• Seiko 3841-584