Seiko Cal. 3831 - 505

This Automatic model from 1976 features a 44mm Titanium case. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-0391bd5a2490]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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