Seiko Cal. 6618 - 347

Seiko 6618-347

The 6618-347 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6618 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-a778f82b836a]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
8.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1998

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