Seiko Cal. 4536 - 237

The Seiko 4536-237 represents an important milestone in Seiko's 1976 lineup. Powered by the 4536 caliber with 21j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-5a530af4e364]

Also known as: Samurai, Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1976

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