Seiko Cal. 6357 - 668

This Automatic model from 1965 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-b71eb8c40895]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

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