Seiko Cal. 6623 - 738

The 6623-738 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-2e96301f6055]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

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