Seiko Cal. 3840 - 400

This Automatic model from 1977 features a 44mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-5e31ac3f1698]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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