Seiko Cal. 3874 - 660

Released in 1999, the Cal. 3874 with design code 660 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-fdb7ced8846f]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1999

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