Seiko Cal. 3816 - 382

The Seiko 3816-382 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6655ef21602a]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1967

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