Seiko Cal. 3825 - 888

The 3825-888 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3825 caliber with 31j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-ae3c15db4c42]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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