Seiko Cal. 6650 - 310

This Quartz model from 1966 features a 35mm Two-Tone case. Powered by the 6650 caliber with 17j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-4f3c1e5de691]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1966

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