Seiko Cal. 5617 - 389

This Automatic model from 1971 features a 38mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-73beb7977c69]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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