Seiko Cal. 6311 - 147

The Seiko 6311-147 represents an important milestone in Seiko's 1968 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-2b17a629f584]

Also known as: Bellmatic, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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