Seiko Cal. 6671 - 257

Seiko 6671-257

The 6671-257 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-6aee8e5c6dcb]

Also known as: Helmet, Flighty

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1988

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