Seiko Cal. 7165 - 121

The Seiko 7165-121 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ff0be197553e]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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