Seiko Cal. 3874 - 820

The 3874-820 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3874 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f06a022dc1a1]

Also known as: Shogun, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1984

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