Seiko Cal. 7165 - 631

This Spring Drive model from 1992 features a 36mm Two-Tone case. Powered by the 7165 caliber with 19j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-41489175362f]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1992

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