Seiko Cal. 4437 - 616

The Seiko 4437-616 represents an important milestone in Seiko's 1995 lineup. Powered by the 4437 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-8dec348828f6]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1995

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