Seiko Cal. 4587 - 247

The Seiko 4587-247 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-8e88ed7ca72e]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

Related Models

• Seiko 6625-669
• Seiko 0720-134
• Seiko 3898-498
• Seiko 0758-863
• Seiko 6380-756
• Seiko 6326-757
• Seiko 0797-709
• Seiko 5284-438
• Seiko 4558-122
• Seiko 7189-361
• Seiko 4527-900
• Seiko 5243-233