Seiko Cal. 3894 - 340

Released in 1986, the Cal. 3894 with design code 340 was part of Seiko's domestic market collection. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d3ad49cb1bdb]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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