Seiko Cal. 5681 - 381

The 5681-381 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-9062fc176990]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

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