Seiko Cal. 5640 - 194

The 5640-194 is a sought-after Solar piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-40e38acc53bd]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1980

Related Models

• Seiko 7154-670
• Seiko 3873-165
• Seiko 3880-457
• Seiko 6156-513
• Seiko 3830-227
• Seiko 0746-975
• Seiko 6333-527
• Seiko 4572-668
• Seiko 7155-824
• Seiko 5251-173
• Seiko 4575-102
• Seiko 7081-809