Seiko Cal. 4578 - 322

This Spring Drive model from 1965 features a 40mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-f24fc7f9dbf5]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1965

Related Models

• Seiko 4490-853
• Seiko 6282-623
• Seiko 6238-755
• Seiko 3810-871
• Seiko 4465-436
• Seiko 6623-454
• Seiko 4546-133
• Seiko 6383-957
• Seiko 5618-995
• Seiko 4554-678
• Seiko 6231-351
• Seiko 5616-425