Seiko Cal. 4548 - 228

Seiko 4548-228

The Seiko 4548-228 represents an important milestone in Seiko's 1985 lineup. Powered by the 4548 caliber with 20j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-09a82c5a530a]

Also known as: Bullhead, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Champagne
Jewels
20j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1985

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seikata-wm-09a82c5a530a