Seiko Cal. 6644 - 841

The Seiko 6644-841 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-f78100904894]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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