Seiko Cal. 4487 - 319

The Seiko 4487-319 represents an important milestone in Seiko's 1977 lineup. Powered by the 4487 caliber with 19j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-0211f1b02ac2]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

Related Models

• Seiko 6198-391
• Seiko 6226-892
• Seiko 7187-282
• Seiko 6275-550
• Seiko 6312-179
• Seiko 7182-634
• Seiko 5236-385
• Seiko 6114-272
• Seiko 6654-208
• Seiko 7130-771
• Seiko 6168-148
• Seiko 4512-848