Seiko Cal. 4436 - 564

The Seiko 4436-564 represents an important milestone in Seiko's 1987 lineup. It features a Navy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-2d0fc7efae70]

Also known as: Turtle, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1987

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