Seiko Cal. 4487 - 957

The Seiko 4487-957 represents an important milestone in Seiko's 1974 lineup. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-b28bc0440648]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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