Seiko Cal. 4441 - 739

Seiko 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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