Seiko Cal. 3845 - 731

The 3845-731 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-016a04f7bd13]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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