Seiko Cal. 5271 - 202

This Spring Drive model from 1966 features a 45mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-a1bb0ef1c443]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1966

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