Seiko Cal. 4428 - 299

Seiko 4428-299

The Seiko 4428-299 represents an important milestone in Seiko's 1996 lineup. Powered by the 4428 caliber with 27j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-827d45c0859a]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1996

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