Seiko Cal. 5644 - 336

The Seiko 5644-336 represents an important milestone in Seiko's 1984 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-470d06bae9bb]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1984

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