Seiko Cal. 6371 - 758

The 6371-758 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6371 caliber with 35j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-1d8ebbf13621]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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