Seiko Cal. 5257 - 499

Seiko 5257-499

Released in 1968, the Cal. 5257 with design code 499 was part of Seiko's domestic market collection. Powered by the 5257 caliber with 27j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-1dcb050f149b]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
27j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1968

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