Seiko Cal. 3831 - 759

The Seiko 3831-759 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ef0ddfa83c31]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1985

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