Seiko Cal. 5261 - 866

Seiko 5261-866

This Automatic model from 1991 features a 39mm PVD Black case. Powered by the 5261 caliber with 34j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-b45d709532cc]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
39mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
34j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1991

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