Seiko Cal. 3810 - 811

This Quartz model from 1975 features a 38mm Two-Tone case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1d1f25175a78]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1975

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