Seiko Cal. 4521 - 156

The 4521-156 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-7155e34b97ce]

Also known as: Pogue, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1969

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