Seiko Cal. 5257 - 333

Seiko 5257-333

This Hand-Winding model from 1972 features a 46mm Stainless Steel case. Powered by the 5257 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-f9abb92ef6d6]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
22j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1972

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