Seiko Cal. 4521 - 409

The 4521-409 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-f9098eaa4092]

Also known as: Navigator, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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