Seiko Cal. 6390 - 942

This Solar model from 1976 features a 44mm Two-Tone case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ff8eeebf63a3]

Also known as: Bullhead, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

Related Models

• Seiko 0727-626
• Seiko 7083-475
• Seiko 6347-303
• Seiko 6119-566
• Seiko 7188-902
• Seiko 7126-851
• Seiko 4516-763
• Seiko 7152-408
• Seiko 0738-221
• Seiko 4529-802
• Seiko 6192-933
• Seiko 7112-431