Seiko Cal. 3811 - 510

The Seiko 3811-510 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-913539da0dd0]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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