Seiko Cal. 6361 - 640

Released in 1996, the Cal. 6361 with design code 640 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-d4bcc390eb21]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1996

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