Seiko Cal. 4513 - 276

This Automatic model from 1971 features a 39mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-7cce2c814d1d]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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