Seiko Cal. 5644 - 600

This Automatic model from 1988 features a 44mm Titanium case. Powered by the 5644 caliber with 22j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-9d91037223cb]

Also known as: Panda, Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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