Seiko Cal. 4436 - 960

The Seiko 4436-960 represents an important milestone in Seiko's 1982 lineup. Powered by the 4436 caliber with 28j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-375e21808d2f]

Also known as: Tuna, Pogue

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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