Seiko Cal. 5647 - 185

The Seiko 5647-185 represents an important milestone in Seiko's 1998 lineup. Powered by the 5647 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-8f981cd06c95]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1998

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