Seiko Cal. 4421 - 423

The 4421-423 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-a2541424f8db]

Also known as: Monster

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1979

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