Seiko Cal. 3870 - 859

This Hand-Winding model from 1969 features a 45mm Stainless Steel case. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-6b6b9d502207]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1969

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