Seiko Cal. 6618 - 628

This Spring Drive model from 1979 features a 46mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-05bfa9da56c8]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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