Seiko Cal. 6311 - 741

Released in 1966, the Cal. 6311 with design code 741 was part of Seiko's domestic market collection. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-d2243fe624ff]

Also known as: Monster, Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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