Seiko Cal. 6321 - 355

This Quartz model from 1977 features a 39mm Titanium case. Powered by the 6321 caliber with 21j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-4205fa653424]

Also known as: Crown, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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