Seiko Cal. 4489 - 561

Seiko 4489-561

The 4489-561 is a sought-after Solar piece from Seiko's golden era. Powered by the 4489 caliber with 21j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-0d2fb2eca3fc]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
21j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1976

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