Seiko Cal. 6610 - 617

This Solar model from 1970 features a 43mm Two-Tone case. Powered by the 6610 caliber with 26j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-c8e0d1ef5edf]

Also known as: Monster, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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