Seiko Cal. 4487 - 593

This Solar model from 1974 features a 35mm Two-Tone case. Powered by the 4487 caliber with 25j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-c37b192768d7]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1974

Related Models

• Seiko 6690-937
• Seiko 0753-174
• Seiko 4586-521
• Seiko 7140-423
• Seiko 6387-155
• Seiko 6617-131
• Seiko 5651-756
• Seiko 6188-964
• Seiko 6671-981
• Seiko 0768-646
• Seiko 6625-528
• Seiko 4475-715