Seiko Cal. 4521 - 258

The Seiko 4521-258 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-099492ce164c]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1973

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