Seiko Cal. 5645 - 356

This Quartz model from 1973 features a 38mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-55f0043a9d2c]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1973

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