Seiko Cal. 6321 - 136

This Hand-Winding model from 1971 features a 40mm Stainless Steel case. With its 19mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-a9b9d8fc6f78]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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