Seiko Cal. 5639 - 204

The 5639-204 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-b0b2a9167bb5]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

Related Models

• Seiko 5284-480
• Seiko 6149-218
• Seiko 5251-261
• Seiko 4428-212
• Seiko 4441-140
• Seiko 6122-862
• Seiko 3831-551
• Seiko 4549-686
• Seiko 7147-254
• Seiko 0750-178
• Seiko 6280-757
• Seiko 5687-986