Seiko Cal. 4521 - 780

This Quartz model from 1971 features a 37mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-fe8cd0963d90]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1971

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