Seiko Cal. 3861 - 625

This Hand-Winding model from 1970 features a 45mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-51be4fd7c6d5]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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