Seiko Cal. 6618 - 210

This Spring Drive model from 1965 features a 34mm Two-Tone case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e9183139de5b]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1965

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