Seiko Cal. 5681 - 564

The Seiko 5681-564 represents an important milestone in Seiko's 1973 lineup. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-c590ce0a642e]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

Related Models

• Seiko 4478-767
• Seiko 6298-366
• Seiko 3885-714
• Seiko 7094-465
• Seiko 6340-725
• Seiko 4565-177
• Seiko 6389-902
• Seiko 6299-447
• Seiko 7012-624
• Seiko 7138-381
• Seiko 6169-991
• Seiko 7185-222