Seiko Cal. 5211 - 640

Seiko 5211-640

This Hand-Winding model from 1987 features a 35mm Hardlex-Coated Steel case. Powered by the 5211 caliber with 23j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-8ca35ef844ea]

Also known as: Monster, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
13.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
23j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1987

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seikata-wm-8ca35ef844ea