Seiko Cal. 6641 - 731

This Hand-Winding model from 1999 features a 45mm Stainless Steel case. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-619b6b25b384]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

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