Seiko Cal. 6311 - 239

The Seiko 6311-239 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-c0d913cef986]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1970

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