Seiko Cal. 3813 - 654

This Quartz model from 1967 features a 44mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-04fd8431daa1]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1967

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