Seiko Cal. 3811 - 277

The Seiko 3811-277 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b56f6881151c]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1968

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