Seiko Cal. 5645 - 581

The Seiko 5645-581 represents an important milestone in Seiko's 1984 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6b53d8d81f1c]

Also known as: Monster, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1984

Related Models

• Seiko 3887-464
• Seiko 7041-260
• Seiko 6184-809
• Seiko 6136-441
• Seiko 7068-520
• Seiko 7189-902
• Seiko 6224-373
• Seiko 6639-564
• Seiko 5651-796
• Seiko 3893-959
• Seiko 7153-239
• Seiko 6155-471