Seiko Cal. 5639 - 194

Released in 1966, the Cal. 5639 with design code 194 was part of Seiko's domestic market collection. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-dcbef2bb4d6f]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1966

Related Models

• Seiko 4598-759
• Seiko 4520-492
• Seiko 4485-425
• Seiko 6244-925
• Seiko 5219-540
• Seiko 7112-290
• Seiko 7171-900
• Seiko 7021-825
• Seiko 5616-904
• Seiko 4590-433
• Seiko 3872-703
• Seiko 6652-522