Seiko Cal. 3831 - 311

The Seiko 3831-311 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-c81dcea3d3a9]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1975

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