Seiko Cal. 6155 - 344

This Automatic model from 1975 features a 40mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-f3646859bb0c]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1975

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