Seiko Cal. 5648 - 904

The Seiko 5648-904 represents an important milestone in Seiko's 1999 lineup. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-e878192b1e35]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1999

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