Seiko Cal. 5664 - 287

This Hand-Winding model from 1982 features a 36mm Hardlex-Coated Steel case. Powered by the 5664 caliber with 24j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-c48831ab698b]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

Related Models

• Seiko 4489-976
• Seiko 6656-764
• Seiko 4439-753
• Seiko 7090-817
• Seiko 7181-253
• Seiko 6342-449
• Seiko 7198-264
• Seiko 6135-568
• Seiko 6286-854
• Seiko 3836-852
• Seiko 5245-810
• Seiko 5283-620