Seiko Cal. 3891 - 411

The Seiko 3891-411 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-24a678bc5914]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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