Seiko Cal. 3817 - 436

The Seiko 3817-436 represents an important milestone in Seiko's 1985 lineup. Powered by the 3817 caliber with 19j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-1b4e3025f135]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1985

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