Seiko Cal. 6665 - 306

This Spring Drive model from 1971 features a 46mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-54449a22a1ee]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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