Seiko Cal. 4447 - 454

This Spring Drive model from 1969 features a 43mm Two-Tone case. Powered by the 4447 caliber with 28j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-653ef2bfbe15]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1969

Related Models

• Seiko 5294-743
• Seiko 7121-345
• Seiko 0793-651
• Seiko 5631-941
• Seiko 4453-764
• Seiko 6677-388
• Seiko 5238-249
• Seiko 5643-336
• Seiko 3858-189
• Seiko 4574-206
• Seiko 4547-975
• Seiko 7012-942