Seiko Cal. 4578 - 937

The Seiko 4578-937 represents an important milestone in Seiko's 1976 lineup. Powered by the 4578 caliber with 21j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-3607fb311038]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

Related Models

• Seiko 7021-398
• Seiko 4429-544
• Seiko 6279-834
• Seiko 3835-989
• Seiko 6639-911
• Seiko 7087-459
• Seiko 3812-903
• Seiko 6173-293
• Seiko 0777-619
• Seiko 5693-413
• Seiko 4539-318
• Seiko 3850-700