Seiko Cal. 6321 - 571

This Spring Drive model from 1981 features a 41mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-09b6e032fe67]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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