Seiko Cal. 5643 - 287

This Automatic model from 1972 features a 45mm Two-Tone case. Powered by the 5643 caliber with 23j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-426fdd327660]

Also known as: Bellmatic, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

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