Seiko Cal. 3813 - 337

The 3813-337 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a063e87180ad]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1977

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