Seiko Cal. 4528 - 646

Seiko 4528-646

The 4528-646 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4528 caliber with 18j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-6a8df553905e]

Also known as: Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
White
Jewels
18j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1988

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