Seiko Cal. 3831 - 337

The Seiko 3831-337 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-45015287568c]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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