Seiko Cal. 4437 - 675

The 4437-675 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4437 caliber with 27j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-eb606d13bf0e]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1994

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