Seiko Cal. 6658 - 439

The 6658-439 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6658 caliber with 20j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-e353be1cd019]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1982

Related Models

• Seiko 7130-950
• Seiko 5229-149
• Seiko 6692-540
• Seiko 5648-917
• Seiko 6675-787
• Seiko 4546-344
• Seiko 3889-251
• Seiko 7042-620
• Seiko 3880-850
• Seiko 5614-116
• Seiko 3885-183
• Seiko 7184-757