Seiko Cal. 3827 - 331

Released in 1978, the Cal. 3827 with design code 331 was part of Seiko's domestic market collection. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-cc378fcf27e7]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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