Seiko Cal. 6311 - 215

The Seiko 6311-215 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-e608b753a351]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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