Seiko Cal. 3891 - 383

The Seiko 3891-383 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-612c3c6cd090]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1974

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