Seiko Cal. 5666 - 645

The Seiko 5666-645 represents an important milestone in Seiko's 1983 lineup. It features a Cream dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-f751231a1c78]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1983

Related Models

• Seiko 7136-515
• Seiko 5625-685
• Seiko 0722-866
• Seiko 7179-865
• Seiko 4525-148
• Seiko 0761-599
• Seiko 4558-257
• Seiko 4548-338
• Seiko 6326-809
• Seiko 4462-885
• Seiko 6116-129
• Seiko 6235-645