Seiko Cal. 3831 - 172

Released in 1966, the Cal. 3831 with design code 172 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-32e144fff8df]

Also known as: UFO, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1966

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