Seiko Cal. 6687 - 800

This Hand-Winding model from 1965 features a 38mm Stainless Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f63439be70aa]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1965

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