Seiko Cal. 5643 - 382

The Seiko 5643-382 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-be5a130aa601]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

Related Models

• Seiko 6135-294
• Seiko 7170-563
• Seiko 4499-902
• Seiko 4523-237
• Seiko 5281-669
• Seiko 3848-371
• Seiko 0780-899
• Seiko 6275-762
• Seiko 7099-927
• Seiko 6325-763
• Seiko 7063-400
• Seiko 6697-984