Seiko Cal. 3831 - 645

This Quartz model from 1994 features a 46mm Two-Tone case. Powered by the 3831 caliber with 27j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-77d01f8465dd]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1994

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