Seiko Cal. 6311 - 816

The Seiko 6311-816 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-d582d0450e86]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

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