Seiko Cal. 5649 - 820

The 5649-820 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-3dd9d263a1cf]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

Related Models

• Seiko 5619-148
• Seiko 3880-856
• Seiko 6135-682
• Seiko 3892-126
• Seiko 3873-106
• Seiko 7051-993
• Seiko 6641-700
• Seiko 6129-304
• Seiko 5618-721
• Seiko 4417-652
• Seiko 4485-506
• Seiko 5685-437