Seiko Cal. 5688 - 225

The Seiko 5688-225 represents an important milestone in Seiko's 1975 lineup. Powered by the 5688 caliber with 31j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-c9514a0cfdb4]

Also known as: Sea Horse, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

Related Models

• Seiko 7095-234
• Seiko 6172-539
• Seiko 6280-380
• Seiko 6320-658
• Seiko 6663-252
• Seiko 4587-472
• Seiko 4448-131
• Seiko 3852-719
• Seiko 5272-530
• Seiko 7155-384
• Seiko 6245-435
• Seiko 6331-814