Seiko Cal. 4448 - 877

This Spring Drive model from 1970 features a 40mm Titanium case. Powered by the 4448 caliber with 20j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-544b5426cc05]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

Related Models

• Seiko 7145-798
• Seiko 5268-962
• Seiko 4540-360
• Seiko 7122-412
• Seiko 5676-154
• Seiko 6220-966
• Seiko 7049-125
• Seiko 6388-412
• Seiko 4527-179
• Seiko 3817-579
• Seiko 7130-613
• Seiko 6652-568