Seiko Cal. 4536 - 327

The Seiko 4536-327 represents an important milestone in Seiko's 1997 lineup. Powered by the 4536 caliber with 20j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-fb8748493efa]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1997

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