Seiko Cal. 3813 - 802

The 3813-802 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3813 caliber with 23j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-2b4c22beec6a]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1989

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