Seiko Cal. 6616 - 860

Seiko 6616-860

This Automatic model from 1971 features a 36mm Titanium case. Powered by the 6616 caliber with 31j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-fd8ee349b1e2]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
36mm
Case Thickness
11.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1971

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