Seiko Cal. 4586 - 636

This Spring Drive model from 1978 features a 35mm Two-Tone case. With its 18mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-835036c87b4d]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

Related Models

• Seiko 4475-409
• Seiko 6178-514
• Seiko 6615-838
• Seiko 4572-848
• Seiko 4488-344
• Seiko 6158-979
• Seiko 4555-547
• Seiko 6231-537
• Seiko 4448-940
• Seiko 6181-918
• Seiko 7126-195
• Seiko 7133-393