Seiko Cal. 4421 - 625

The 4421-625 is a sought-after Solar piece from Seiko's golden era. Powered by the 4421 caliber with 27j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-436a3181f4ad]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1987

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