Seiko Cal. 6375 - 991

The 6375-991 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6375 caliber with 25j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-195387b6af89]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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