Seiko Cal. 4447 - 446

This Spring Drive model from 1969 features a 38mm PVD Black case. Powered by the 4447 caliber with 17j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-fd9d5305e6f3]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1969

Related Models

• Seiko 6289-978
• Seiko 7165-736
• Seiko 7124-938
• Seiko 6174-319
• Seiko 7052-128
• Seiko 5640-471
• Seiko 5668-188
• Seiko 5264-341
• Seiko 4513-506
• Seiko 6686-381
• Seiko 6372-841
• Seiko 6286-570