Seiko Cal. 4571 - 721

This Spring Drive model from 1985 features a 37mm PVD Black case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-0ec23d7b188b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1985

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