Seiko Cal. 6170 - 442

Seiko 6170-442

The 6170-442 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6170 caliber with 25j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-c1bdce61508c]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1996

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