Seiko Cal. 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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