Seiko Cal. 3810 - 489

The Seiko 3810-489 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f02158466c12]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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