Seiko Cal. 7172 - 931

The Seiko 7172-931 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-7a812a52e1c0]

Also known as: Crown, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

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