Seiko Cal. 6381 - 451

The Seiko 6381-451 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-743940cf0843]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1969

Related Models

• Seiko 6390-561
• Seiko 6234-845
• Seiko 4477-216
• Seiko 6336-930
• Seiko 7121-274
• Seiko 6670-799
• Seiko 6262-820
• Seiko 4559-932
• Seiko 4426-494
• Seiko 5623-256
• Seiko 5623-274
• Seiko 6239-172