Seiko Cal. 4565 - 346

This Spring Drive model from 1984 features a 41mm Two-Tone case. Powered by the 4565 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-55ca9f70113a]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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