Seiko Cal. 3817 - 437

The 3817-437 is a sought-after Solar piece from Seiko's golden era. Powered by the 3817 caliber with 24j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-84e738cbd318]

Also known as: World Timer, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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