Seiko Cal. 6357 - 750

The Seiko 6357-750 represents an important milestone in Seiko's 1972 lineup. Powered by the 6357 caliber with 19j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-6923bae87b6c]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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