Seiko Cal. 4528 - 350

The Seiko 4528-350 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-5b66cd516a31]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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