Seiko Cal. 6613 - 228

This Hand-Winding model from 1965 features a 34mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-1d5dc9487134]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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