Seiko Cal. 4431 - 175

This Quartz model from 1975 features a 46mm Two-Tone case. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-1820097517ed]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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