Seiko Cal. 4536 - 228

The Seiko 4536-228 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-5437e924dab6]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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