Seiko Cal. 0740 - 646

The Seiko 0740-646 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-b554b64cf989]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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