Seiko Cal. 6636 - 351

This Spring Drive model from 1998 features a 35mm Two-Tone case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-8d3858e0584a]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1998

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