Seiko Cal. 6657 - 846

The Seiko 6657-846 represents an important milestone in Seiko's 1996 lineup. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-789f61b58f26]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1996

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