Seiko Cal. 4460 - 646

This Spring Drive model from 1975 features a 46mm Titanium case. Powered by the 4460 caliber with 29j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-c87609014de7]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1975

Related Models

• Seiko 7125-386
• Seiko 7064-166
• Seiko 5236-929
• Seiko 6654-495
• Seiko 4533-902
• Seiko 3820-517
• Seiko 7057-878
• Seiko 6171-909
• Seiko 3862-675
• Seiko 4568-899
• Seiko 6361-745
• Seiko 4436-754