Seiko Cal. 5644 - 186

This Automatic model from 1983 features a 41mm Two-Tone case. Powered by the 5644 caliber with 26j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-78bdffe539f7]

Also known as: Panda, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1983

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