Seiko Cal. 6620 - 171

The Seiko 6620-171 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-61dcf093a066]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1979

Related Models

• Seiko 6614-224
• Seiko 7055-873
• Seiko 6322-727
• Seiko 7087-767
• Seiko 5639-257
• Seiko 5671-135
• Seiko 6122-489
• Seiko 7163-379
• Seiko 6230-287
• Seiko 6375-561
• Seiko 5265-255
• Seiko 6369-395