Seiko Cal. 6388 - 427

The Seiko 6388-427 represents an important milestone in Seiko's 1966 lineup. Powered by the 6388 caliber with 17j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-7bc53ad2ec6a]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

Related Models

• Seiko 6217-897
• Seiko 0749-257
• Seiko 6698-679
• Seiko 7116-656
• Seiko 4429-447
• Seiko 4546-193
• Seiko 6335-116
• Seiko 0723-644
• Seiko 6275-467
• Seiko 7151-459
• Seiko 5635-731
• Seiko 5273-377