Seiko Cal. 6321 - 387

This Hand-Winding model from 1992 features a 44mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-8f0f0e9e1e0f]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1992

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