Seiko Cal. 3884 - 887

The 3884-887 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3884 caliber with 24j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-9d68ebf6a457]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1973

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