Seiko Cal. 7165 - 490

This Spring Drive model from 1970 features a 40mm Two-Tone case. Powered by the 7165 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-05e9193a44c6]

Also known as: Monster, Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1970

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