Seiko Cal. 7166 - 406

Released in 1968, the Cal. 7166 with design code 406 was part of Seiko's domestic market collection. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-bc7ed48875e6]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

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