Seiko Cal. 6654 - 639

The 6654-639 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fbf6948fc4aa]

Also known as: Shogun, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1997

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