Seiko Cal. 6610 - 428

The 6610-428 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-1a1d6a7d4539]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1993

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