Seiko Cal. 5610 - 554

Seiko 5610-554

The 5610-554 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5610 caliber with 27j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-d38159213b74]

Also known as: Sumo, Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
White
Jewels
27j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1989

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seikata-wm-d38159213b74