Seiko Cal. 5646 - 386

This Spring Drive model from 1966 features a 36mm Stainless Steel case. Powered by the 5646 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-55592af91c7c]

Also known as: Panda, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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