Seiko Cal. 4555 - 641

This Automatic model from 1977 features a 38mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-7837b9b82b23]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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