Seiko Cal. 6641 - 365

The Seiko 6641-365 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-37f381a9835e]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1973

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