Seiko Cal. 6641 - 356

The Seiko 6641-356 represents an important milestone in Seiko's 1995 lineup. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-32145efa1282]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1995

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