Seiko Cal. 6374 - 321

The 6374-321 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6374 caliber with 36j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-c6e86301fa39]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1983

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