Seiko Cal. 4536 - 816

The Seiko 4536-816 represents an important milestone in Seiko's 1971 lineup. Powered by the 4536 caliber with 17j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-08f782f970ac]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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