Seiko Cal. 5671 - 450

Released in 1979, the Cal. 5671 with design code 450 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-87ba9ff74273]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

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