Seiko Cal. 6644 - 846

The Seiko 6644-846 represents an important milestone in Seiko's 1986 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-cfea376fa0b8]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

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