Seiko Cal. 6321 - 504

This Hand-Winding model from 1970 features a 36mm Stainless Steel case. Powered by the 6321 caliber with 31j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-fc0044ee885a]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1970

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