Seiko Cal. 3870 - 790

This Hand-Winding model from 1989 features a 42mm PVD Black case. Powered by the 3870 caliber with 27j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-797fd8b5f0b6]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

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