Seiko Cal. 6641 - 248

The Seiko 6641-248 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-8e6abdfd67dc]

Also known as: Navigator, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1979

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