Seiko Cal. 4437 - 306

The Seiko 4437-306 represents an important milestone in Seiko's 1992 lineup. Powered by the 4437 caliber with 17j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-cdd60ac40521]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1992

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