Seiko Cal. 6687 - 845

The 6687-845 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6687 caliber with 25j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-707cc23bb1e8]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1999

Related Models

• Seiko 6238-197
• Seiko 6379-765
• Seiko 3864-123
• Seiko 0784-920
• Seiko 3893-400
• Seiko 7057-741
• Seiko 6215-398
• Seiko 3890-497
• Seiko 5294-204
• Seiko 0793-500
• Seiko 6164-374
• Seiko 6678-907