Seiko Cal. 6388 - 591

The Seiko 6388-591 represents an important milestone in Seiko's 1973 lineup. Powered by the 6388 caliber with 33j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-d3e50eb71dd6]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1973

Related Models

• Seiko 7121-383
• Seiko 0778-572
• Seiko 7012-359
• Seiko 5671-827
• Seiko 6311-106
• Seiko 6296-202
• Seiko 0735-707
• Seiko 6339-196
• Seiko 4585-487
• Seiko 6187-508
• Seiko 6259-393
• Seiko 6648-830