Seiko Cal. 3837 - 666

The Seiko 3837-666 represents an important milestone in Seiko's 1996 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4afa9cf8ca1d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1996

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