Seiko Cal. 6610 - 439

Seiko 6610-439

This Quartz model from 1977 features a 44mm Hardlex-Coated Steel case. Powered by the 6610 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-2ebeb03fe6a5]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1977

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