Seiko Cal. 6357 - 528

The Seiko 6357-528 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-3485c8a64d75]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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