Seiko Cal. 6165 - 399

The Seiko 6165-399 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-0b11ee9d757a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1974

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