Seiko Cal. 6645 - 942

This Hand-Winding model from 1978 features a 35mm PVD Black case. Powered by the 6645 caliber with 32j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-fd43ee590a82]

Also known as: Panda, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 5677-733
• Seiko 4425-718
• Seiko 6111-957
• Seiko 3880-992
• Seiko 4489-831
• Seiko 4546-664
• Seiko 3835-731
• Seiko 6332-448
• Seiko 7023-489
• Seiko 7050-196
• Seiko 6134-460
• Seiko 5696-186