Seiko Cal. 6131 - 654

The 6131-654 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-6bc195071df5]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1986

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