Seiko Cal. 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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