Seiko Cal. 3827 - 645

Released in 1978, the Cal. 3827 with design code 645 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-f9dd620cedbc]

Also known as: Pogue, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1978

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