Seiko Cal. 5641 - 145

The 5641-145 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d0df2fb2d9df]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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