Seiko Cal. 4590 - 312

This Spring Drive model from 1988 features a 44mm Gold-Plated case. Powered by the 4590 caliber with 28j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-eb73ec07cd50]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1988

Related Models

• Seiko 5661-156
• Seiko 4490-726
• Seiko 6112-758
• Seiko 4472-429
• Seiko 5620-954
• Seiko 5246-233
• Seiko 4415-750
• Seiko 4514-367
• Seiko 7197-118
• Seiko 5294-300
• Seiko 6652-801
• Seiko 7085-143