Seiko Cal. 5645 - 308

The 5645-308 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-5b3cbf496611]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1997

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