Seiko Cal. 6618 - 546

This Spring Drive model from 1972 features a 37mm Titanium case. Powered by the 6618 caliber with 35j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-c3afa5d46361]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1972

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