Seiko Cal. 3899 - 433

This Hand-Winding model from 1971 features a 41mm Titanium case. Powered by the 3899 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-3fcfd2294110]

Also known as: Bullhead, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

Related Models

• Seiko 7193-638
• Seiko 6354-689
• Seiko 0756-464
• Seiko 7196-585
• Seiko 6233-336
• Seiko 6173-651
• Seiko 6262-299
• Seiko 6268-801
• Seiko 0759-222
• Seiko 4526-692
• Seiko 6143-760
• Seiko 5635-776