Seiko Cal. 4439 - 607

This Hand-Winding model from 1966 features a 40mm Titanium case. Powered by the 4439 caliber with 32j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-5a8635b537d4]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

Related Models

• Seiko 6223-384
• Seiko 4543-132
• Seiko 6169-814
• Seiko 7195-545
• Seiko 4540-415
• Seiko 0733-291
• Seiko 6225-295
• Seiko 6333-415
• Seiko 3879-725
• Seiko 6245-473
• Seiko 5278-866
• Seiko 7133-805