Seiko Cal. 6639 - 855

The 6639-855 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-e743673b3c23]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1968

Related Models

• Seiko 6385-622
• Seiko 3815-551
• Seiko 3844-382
• Seiko 4512-877
• Seiko 5282-390
• Seiko 4531-359
• Seiko 7153-776
• Seiko 0784-240
• Seiko 5291-672
• Seiko 5684-953
• Seiko 5657-527
• Seiko 4447-555