Seiko Cal. 4530 - 840

The Seiko 4530-840 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-af340c745b00]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1991

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