Seiko Cal. 6644 - 592

The 6644-592 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-3fc456aeccdd]

Also known as: Shogun, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

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