Seiko Cal. 4543 - 637

The 4543-637 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-c7d2846bf950]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1967

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