Seiko Cal. 6646 - 764

Seiko 6646-764

This Solar model from 1986 features a 44mm Titanium case. Powered by the 6646 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-66f214ce5c6e]

Also known as: Monster, Bellmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
44mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1986

Related Models

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