Seiko Cal. 3821 - 675

This Hand-Winding model from 1965 features a 38mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-599aa51a7608]

Also known as: Turtle, Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1965

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