Seiko Cal. 6311 - 139

The 6311-139 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-6eefff23bbc5]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1965

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