Seiko Cal. 4521 - 973

The Seiko 4521-973 represents an important milestone in Seiko's 1974 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-5ff377591729]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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