Seiko Cal. 6650 - 945

The 6650-945 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6650 caliber with 36j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-70bd2ff5700d]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

Related Models

• Seiko 7164-931
• Seiko 7092-544
• Seiko 6159-129
• Seiko 7147-660
• Seiko 6686-205
• Seiko 6341-193
• Seiko 4554-632
• Seiko 5259-870
• Seiko 4414-355
• Seiko 5246-799
• Seiko 3848-190
• Seiko 7053-978