Seiko Cal. 5643 - 427

The Seiko 5643-427 represents an important milestone in Seiko's 1982 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-34a5c98f0e70]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1982

Related Models

• Seiko 7186-462
• Seiko 5268-976
• Seiko 7116-806
• Seiko 6315-716
• Seiko 5671-735
• Seiko 6696-839
• Seiko 6236-466
• Seiko 7190-900
• Seiko 6252-729
• Seiko 5658-324
• Seiko 7173-285
• Seiko 3838-684