Seiko Cal. 4431 - 345

This Automatic model from 1974 features a 38mm Two-Tone case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8d18cc2ddde6]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1974

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