Seiko Cal. 5645 - 156

Released in 1976, the Cal. 5645 with design code 156 was part of Seiko's domestic market collection. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-6bef536668cc]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1976

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