Seiko Cal. 5645 - 677

The 5645-677 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5645 caliber with 19j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-61fc29276084]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1973

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