Seiko Cal. 6381 - 664

The Seiko 6381-664 represents an important milestone in Seiko's 1983 lineup. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-f10cc5319f91]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

Related Models

• Seiko 4474-594
• Seiko 7042-335
• Seiko 7016-364
• Seiko 6650-855
• Seiko 4526-936
• Seiko 0793-927
• Seiko 6677-864
• Seiko 4488-890
• Seiko 6287-103
• Seiko 6271-168
• Seiko 6155-720
• Seiko 0716-340