Seiko Cal. 6646 - 373

The Seiko 6646-373 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-c711220cc46e]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1966

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