Seiko Cal. 5637 - 146

The 5637-146 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 35j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-8655c91640a0]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1986

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