Seiko Cal. 6645 - 310

Seiko 6645-310

This Spring Drive model from 1998 features a 35mm Stainless Steel case. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-1ae9cd7b76bd]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1998

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