Seiko Cal. 6392 - 688

The 6392-688 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6392 caliber with 24j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f31a3567cbc9]

Also known as: Turtle, Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1999

Related Models

• Seiko 0714-159
• Seiko 7013-419
• Seiko 6277-371
• Seiko 6255-617
• Seiko 7073-244
• Seiko 5631-292
• Seiko 3880-986
• Seiko 3813-838
• Seiko 6162-426
• Seiko 7047-402
• Seiko 6215-511
• Seiko 7075-987