Seiko Cal. 6681 - 590

This Hand-Winding model from 1969 features a 45mm Two-Tone case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f82eadec7e51]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1969

Related Models

• Seiko 7131-607
• Seiko 6395-953
• Seiko 6394-387
• Seiko 0723-145
• Seiko 5254-519
• Seiko 4487-375
• Seiko 4576-258
• Seiko 6638-278
• Seiko 4487-708
• Seiko 0785-217
• Seiko 0795-234
• Seiko 6341-480