Seiko Cal. 3813 - 850

The Seiko 3813-850 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-9febf48c1c4f]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

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