Seiko Cal. 4521 - 917

The 4521-917 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-fb47225d172d]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1997

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