Seiko Cal. 6619 - 635

The 6619-635 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6619 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-a0f64ad8b66c]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1968

Related Models

• Seiko 6276-999
• Seiko 7044-945
• Seiko 5292-558
• Seiko 7082-215
• Seiko 4414-608
• Seiko 5632-266
• Seiko 5655-281
• Seiko 5697-499
• Seiko 0746-904
• Seiko 4519-454
• Seiko 5689-487
• Seiko 0743-447