Seiko Cal. 3811 - 720

The Seiko 3811-720 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-e0c11d4995a3]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1977

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