Seiko Cal. 4439 - 630

Seiko 4439-630

Released in 1984, the Cal. 4439 with design code 630 was part of Seiko's domestic market collection. Powered by the 4439 caliber with 19j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-5e425a14812f]

Also known as: Sumo, Panda

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Navy
Jewels
19j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1984

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