Seiko Cal. 6620 - 429

The 6620-429 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6620 caliber with 18j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-52ec435dca0f]

Also known as: Monster, Shogun

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

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