Seiko Cal. 3811 - 681

Released in 1966, the Cal. 3811 with design code 681 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-bb9cb082731d]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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