Seiko Cal. 3891 - 840

Released in 1969, the Cal. 3891 with design code 840 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-6f05c881dc7a]

Also known as: Pogue, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

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