Seiko Cal. 5254 - 656

Seiko 5254-656

This Hand-Winding model from 1992 features a 37mm Stainless Steel case. Powered by the 5254 caliber with 21j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-4477c4be1e71]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1992

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seikata-wm-4477c4be1e71