Seiko Cal. 6312 - 339

The Seiko 6312-339 represents an important milestone in Seiko's 1965 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c350dcd038cc]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1965

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