Seiko Cal. 3831 - 171

The Seiko 3831-171 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-c1bb106bfa68]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1970

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