Seiko Cal. 4587 - 247

The Seiko 4587-247 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-dd040f84488a]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1966

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