Seiko Cal. 6361 - 665

Released in 1983, the Cal. 6361 with design code 665 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-da95ba6fbc24]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1983

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