Seiko Cal. 6377 - 521

The 6377-521 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6377 caliber with 35j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-14c10e1a167b]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1989

Related Models

• Seiko 7039-605
• Seiko 6620-325
• Seiko 6392-273
• Seiko 0786-244
• Seiko 6655-160
• Seiko 6392-389
• Seiko 3869-741
• Seiko 3830-165
• Seiko 4457-270
• Seiko 3818-309
• Seiko 0759-798
• Seiko 4520-343