Seiko Cal. 3865 - 823

This Spring Drive model from 1966 features a 45mm Two-Tone case. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-36590dee034c]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

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