Seiko Cal. 6357 - 993

The 6357-993 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6357 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-1f5995a8e445]

Also known as: Pogue, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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