Seiko Cal. 6357 - 587

Released in 1976, the Cal. 6357 with design code 587 was part of Seiko's domestic market collection. Powered by the 6357 caliber with 22j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-7fbc08fac1b4]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1976

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