Seiko Cal. 6375 - 663

The 6375-663 is a sought-after Solar piece from Seiko's golden era. Powered by the 6375 caliber with 30j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-aded604120df]

Also known as: Samurai, Monster

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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