Seiko Cal. 4535 - 550

The Seiko 4535-550 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-f02b849e4fcc]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

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