Seiko Cal. 3831 - 786

Released in 1976, the Cal. 3831 with design code 786 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-4d72ed2eebb7]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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