Seiko Cal. 6623 - 420

The 6623-420 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-80273df4732e]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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