Seiko Cal. 6628 - 381

The 6628-381 is a sought-after Solar piece from Seiko's golden era. Powered by the 6628 caliber with 31j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-8af17309293f]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1985

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