Seiko Cal. 5646 - 375

The 5646-375 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-cb1fda4565e8]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1997

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