Seiko Cal. 3867 - 633

The Seiko 3867-633 represents an important milestone in Seiko's 1998 lineup. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-9c8fd25a191c]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

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