Seiko Cal. 4587 - 246

The Seiko 4587-246 represents an important milestone in Seiko's 1972 lineup. Powered by the 4587 caliber with 28j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-b1507ced5ec3]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

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