Seiko Cal. 6374 - 856

Seiko 6374-856

The 6374-856 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6374 caliber with 25j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-d81c5f5be2f2]

Also known as: Baby Tuna, Emperor

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
45mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Navy
Jewels
25j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1983

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