Seiko Cal. 5661 - 621

The 5661-621 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-fdd3dc483208]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1973

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