Seiko Cal. 4541 - 648

Seiko 4541-648

The 4541-648 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4541 caliber with 35j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c1a05ae6d4f9]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
9.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
60m
Dial Color
White
Jewels
35j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1979

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