Seiko Cal. 4521 - 168

Released in 1973, the Cal. 4521 with design code 168 was part of Seiko's domestic market collection. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-8ecb08423bba]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1973

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