Seiko Cal. 6647 - 276

The 6647-276 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-c872af48fd8a]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1997

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