Seiko Cal. 6644 - 836

The Seiko 6644-836 represents an important milestone in Seiko's 1996 lineup. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-4109eb4ee2cd]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1996

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