Seiko Cal. 4441 - 739

The 4441-739 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4441 caliber with 28j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-7c00b6f5f1f9]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1994

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