Seiko Cal. 6644 - 337

The 6644-337 is a sought-after Solar piece from Seiko's golden era. Powered by the 6644 caliber with 22j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-eade8dd07ee3]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1999

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