Seiko Cal. 5611 - 251

This Spring Drive model from 1987 features a 40mm PVD Black case. With its 20mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-e0b6f79b3720]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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